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Articles 481 - 510 of 2360
Full-Text Articles in Life Sciences
Discovery Of Pharmaceutical Agents Towards The Inhibition Of P38 Mitogen- Activated Protein Kinase (Mapk): In Silico And In Vitro Studies, Utid Suriya
Chulalongkorn University Theses and Dissertations (Chula ETD)
In this research, we combined the accelerated in silico screening methods alongside experimental evaluations to search for novel anti-non-small cell lung cancer (NSCLC) drug candidates specifically targeting the up-regulated kinases including epidermal growth factor receptor tyrosine kinase (EGFR TK), p38 mitogen-activated protein kinase (p38 MAPK) and Janus kinase 2 (JAK2). A novel compound scaffold, quinoxalinones including CPD4, CPD15, CPD16, and CPD21 was identified to inhibit the EGFR (L858R/T790M/C797S) TK with an IC50 value down to a nanomolar scale as well as showing a cytotoxic effect against NSCLC cell lines. Apart from that, we employed a drug repositioning platform to elucidate …
Characteristics Of Mononucleotide A-Repeats Around Transcription Start Sites In Vertebrates, Jatuphol Pholtaisong
Characteristics Of Mononucleotide A-Repeats Around Transcription Start Sites In Vertebrates, Jatuphol Pholtaisong
Chulalongkorn University Theses and Dissertations (Chula ETD)
Tandem repeats (TRs) promote a wide variety of phenotypic traits. The imbalance of mononucleotide A-repeats around transcription start sites (TSSs) in human, mouse and rat in previous study. In this study, the imbalance of A-repeats in 60 vertebrates was investigated, and the potential function of upstream A-repeats was identified. We discovered that some vertebrates were the origin of the imbalance pattern. Mammals and birds had a similar pattern, while amphibians and reptiles did not. We hypothesized that the enriched A-repeats upstream of TSSs is a novel hallmark of endotherms or warm-blooded animals. Gene ontology analysis indicates that the primary function …
รูปแบบการถ่ายทอดการขยายนิวคลีโอไทด์ซ้ำในโรคลมชักแบบกระตุกที่เริ่มเป็นในวัยผู้ใหญ่และถ่ายทอดในครอบครัวแบบไม่รุนแรงด้วยเทคโนโลยีการหาลำดับเบสแบบสายยาว, ศุภกร รักวงศ์ขจร
รูปแบบการถ่ายทอดการขยายนิวคลีโอไทด์ซ้ำในโรคลมชักแบบกระตุกที่เริ่มเป็นในวัยผู้ใหญ่และถ่ายทอดในครอบครัวแบบไม่รุนแรงด้วยเทคโนโลยีการหาลำดับเบสแบบสายยาว, ศุภกร รักวงศ์ขจร
Chulalongkorn University Theses and Dissertations (Chula ETD)
โรคลมชักแบบกระตุกที่เริ่มเป็นในวัยผู้ใหญ่และถ่ายทอดในครอบครัวแบบไม่รุนแรง (BAFME) เป็นโรคทางระบบประสาทที่ถ่ายทอดแบบยีนเด่นบนโครโมโซมร่างกาย โดยมีการสั่นและ/หรือชักเกร็งเป็นลักษณะของโรค ซึ่งมีช่วงอายุที่เริ่มแสดงอาการของโรคตั้งแต่วัยรุ่นจนถึงวัยผู้ใหญ่ สาเหตุของโรคเกิดจากการขยายเบสซ้ำชนิด TTTTA และตามด้วยการแทรกตัวของลำดับเบสชนิด TTTCA ในบริเวณอินทรอนของยีนมากมาย รวมถึงอินทรอน 4 ของยีน SAMD12 ในโรคลมชักแบบกระตุกที่เริ่มเป็นในวัยผู้ใหญ่และถ่ายทอดในครอบครัวแบบไม่รุนแรงชนิดที่ 1 (BAFME1) และอินทรอน 1 ของยีน YEATS2 ในโรคลมชักแบบกระตุกที่เริ่มเป็นในวัยผู้ใหญ่และถ่ายทอดในครอบครัวแบบไม่รุนแรงชนิดที่ 4 (BAFME4) จากการศึกษาที่ผ่านมาพบว่าความยาวของจำนวนซ้ำที่มากขึ้นทำให้อาการของโรครุนแรงขึ้น วัตถุประสงค์ของการศึกษานี้ คือการใช้เทคโนโลยีการหาลำดับเบสแบบสายยาวของ Pacific Biosciences ในการระบุจำนวนซ้ำ การศึกษาการถ่ายทอดของการขยายเบสซ้ำ และหาความสัมพันธ์ระหว่างจีโนไทป์และฟีโนไทป์ในครอบครัวผู้ป่วยชาวไทยที่เป็น BAFME1 และ BAFME4 ผลการศึกษาพบว่าในผู้ป่วยที่เป็นพี่น้องกัน จำนวนซ้ำชนิด TTTCA มีความแตกต่างอย่างมีนัยสำคัญเมื่อเทียบกับจำนวนซ้ำชนิด TTTTA สำหรับจำนวนซ้ำ TTTTA มีจำนวนลดลงในขณะที่จำนวนซ้ำ TTTCA มีจำนวนเพิ่มขึ้น เมื่อมีการส่งถ่ายทอดจากผู้ป่วยรุ่นพ่อแม่ไปยังผู้ป่วยรุ่นลูก และพบความสัมพันธ์แบบผกผันระหว่างจำนวนซ้ำ TTTTA จำนวนซ้ำ TTTCA และจำนวนซ้ำทั้งหมด กับอายุที่เริ่มแสดงอาการของโรคในครอบครัว BAFME1 แต่ไม่พบความสัมพันธ์ดังกล่าวในครอบครัว BAFME4 นอกจากนี้ยังพบโครงสร้างรูปแบบใหม่ ((TTTTA)exp(CAAAA)ins(CCAAA)ins(TTTCA)ins) ในผู้ป่วย BAFME4 โดยการศึกษานี้แสดงให้เห็นถึงพฤติกรรมของการขยายเบสซ้ำที่มีทั้งความซับซ้อนและความหลากหลายระหว่างชนิดของ BAFME ที่ต่างกัน
ฮอร์โมนเอสโตรเจนเหนี่ยวนำให้เกิดการแทรกของ Line-1 ดีเอ็นเอเข้าไปในจีโนมของเซลล์มะเร็งเต้านม, กุลจิรา โรจน์ไพศาลกิจ
ฮอร์โมนเอสโตรเจนเหนี่ยวนำให้เกิดการแทรกของ Line-1 ดีเอ็นเอเข้าไปในจีโนมของเซลล์มะเร็งเต้านม, กุลจิรา โรจน์ไพศาลกิจ
Chulalongkorn University Theses and Dissertations (Chula ETD)
ในปัจจุบันโรคมะเร็งเต้านมเป็นมะเร็งที่มีอุบัติการณ์และอัตราการตายสูงที่สุดในเพศหญิงทั่วโลกรวมถึงในประเทศไทยด้วย โดยพบว่า LINE-1 ถือว่าเป็น Retrotransposon element ที่พบมากที่สุดถึง 17 % ของจีโนมและมีความสามารถในการคัดลอกแล้วแทรกตัวเองในบริเวณอื่นของจีโนมซึ่งเป็นสาเหตุของทำให้เกิดความไม่สเถียรของจีโนมอันเป็นสาเหตุของการเกิดโรคมะเร็ง และยังพบว่าการแสดงออกของLINE-1 มีผลต่อการลุกลาม, ขนาด, และระยะของโรคมะเร็งเต้านมด้วย นอกจากนี้ยังพบว่าผู้หญิงที่การได้รับฮอร์โมนเอสโตรเจนต่อเนื่องเป็นระยะเวลานานทำให้ความเสี่ยงของโรคมะเร็งเต้านมเพิ่มมากขึ้น ถึงกระนั้นยังคงไม่ทราบถึงกลไกการทำงานของเอสโตรเจน ดังนั้นผู้วิจัยจึงตั้งสมมุติฐานว่า เอสโตรเจนสามารถเหนี่ยวนำให้เกิดการแทรกของ LINE-1 ดีเอ็นเอเข้าไปในจีโนมของเซลล์มะเร็งเต้านม โดยทำการศึกษาบผลของเอสโตรเจนที่ได้รับต่อการแสดงออกของ LINE-1 mRNA และ LINE-1 โปรตีน รวมถึงผลของเอสโตรเจนที่ได้รับต่อการแทรกของ LINE-1 ดีเอ็นเอโดยวิเคราะห์จากปริมาณดีเอ็นเอในเซลล์มะเร็งเต้านม T47D ผลการทดลองพบว่าที่เอสโตรเจนมีผลทำให้การแสดงออกของ LINE-1 mRNA เพิ่มขึ้นสูงที่สุดอย่างมีนัยสำคัญที่ความเข้มข้นของเอสโตรเจน 5 nM ด้วยวิธี Realtime RT-PCR ในเซลล์มะเร็งเต้านม T47D และผลทำให้การแสดงออกของ LINE-1 mRNA เพิ่มขึ้นสูงที่สุดอย่างมีนัยสำคัญที่ 12 ชม. ด้วยวิธี Realtime RT-PCR ในเซลล์มะเร็งเต้านม T47D และเอสโตรเจนมีผลทำให้การแสดงออกของโปรตีน LINE-1 ORF1p เพิ่มขึ้นสูงที่สุดอย่างมีนัยสำคัญที่ 48 และ 72 ชม. ในเซลล์มะเร็งเต้านม T47D ด้วยวิธี Western blot โดยพบว่าการแสดงออกของโปรตีน LINE-1 ORF1p เพิ่มขึ้นสูงที่สุดอย่างมีนัยสำคัญ 72 ชม. นอกจากนี้เอสโตรเจนมีผลทำให้ปริมาณของ LINE-1 ดีเอ็นเอบริเวณ ORF2 เพิ่มขึ้นสูงที่สุดอย่างมีนัยสำคัญที่ 72 ชม.ในเซลล์มะเร็งเต้านม T47D มากที่สุดอย่างมีนัยสำคัญด้วยวิธี Real-time PCR แสดงให้เห็นว่าเอสโตรเจนมีผลทำให้เกิดการแทรกของ LINE-1 ดีเอ็นเอเข้าไปในจีโนมได้ จากผลการทดลองทั้งหมดจึงสรุปได้ว่า เอสโตรเจนมีผลต่อการเพิ่มแสดงออกของ LINE-1 mRNA และ LINE-1 โปรตีน รวมถึงเพิ่มปริมาณ LINE-1 ดีเอ็นเอ อย่างมีนัยสำคัญในเซลล์มะเร็งเต้านม T47D แสดงว่าเอสโตรเจนสามารถเหนี่ยวนำให้เกิดการแทรกของ LINE-1 ดีเอ็นเอเข้าไปในจีโนมนำไปสู่การกลายพันธุ์ของยีนและความไม่เสถียรของจีโนม
การตรวจหายีนดื้อยากลุ่ม Β-Lactams จากมูลสุกรโดยตรง ด้วยเทคนิค Multiplex Polymerase Chain Reaction ร่วมกับ Lateral Flow Assay และเทคนิค Nested Polymerase Chain Reaction, นุชบา สุจันทา
Chulalongkorn University Theses and Dissertations (Chula ETD)
สุกรเป็นอีกหนึ่งแหล่งกักเก็บเชื้อแบคทีเรียที่มียีนดื้อยาสร้างเอนไซม์ Extended-Spectrum β-Lactamases (ESBLs) ซึ่งสามารถแพร่กระจายยีนดื้อยามาสู่มนุษย์ สัตว์ และสิ่งแวดล้อมได้ ในการศึกษานี้จึงได้พัฒนาการตรวจหายีนสร้างเอนไซม์ ESBLs จากมูลสุกรโดยตรง ด้วยเทคนิค Multiplex polymerase chain reaction (mPCR), mPCR-Lateral flow assay (mPCR-LFA) และเทคนิค Nested PCR (nPCR) เปรียบเทียบกับการตรวจจากเชื้อ ESBL-producing Escherichia coli ซึ่งเพาะแยกจากมูลสุกรตัวอย่างเดียวกัน ด้วยเทคนิค PCR-sequencing เชื้อ ESBL-producing E. coli จำนวน 149 isolates ที่เพาะแยกจากมูลสุกรทั้งหมด 139 ตัวอย่าง พบความชุกของยีนชนิด blaCTX-M-15 (34.2%) มากที่สุด รองลงมาคือ blaCTX-M-15+TEM-1 (17.5%) และ blaCTX-M-55+TEM-1 (13.4%) โดยเชื้อ ESBL-producing E. coli ส่วนใหญ่มีการดื้อยาหลายขนาน โดยดื้อต่อยา Ceftriaxone (100%), Cefotaxime (100%), Ciprofloxacin (31.5%) และ Trimethoprim/Sulfamethoxazole (30.9%) ความไว ความจำเพาะ และขีดจำกัดของการตรวจจากเชื้อ ESBL-producing E. coli ด้วยเทคนิค mPCR-LFA เท่ากับ 100% และ 0.1-1 ng ตามลำดับ เทคนิค mPCR ที่พัฒนาขึ้น สำหรับตรวจจากมูลสุกรโดยตรง พบว่าต้องใช้ปริมาณเชื้อมากถึง 107 CFU จึงจะตรวจพบ โดยมีความไวในการตรวจยีน blaCTX-M และ blaTEM เท่ากับ 30.43% และ 87.65% ตามลำดับ ขีดจำกัดและความไวของการตรวจพบยีน blaCTX-M โดยตรง …
Investigation Of Sodium Laurylglucosides Hydroxypropyl Sulfonate Through Response Surface Methodology – Effects Of Amphoteric Surfactant And Electrolyte, Phantira Uongpitakpan, Jutarat Kitsongsermthon
Investigation Of Sodium Laurylglucosides Hydroxypropyl Sulfonate Through Response Surface Methodology – Effects Of Amphoteric Surfactant And Electrolyte, Phantira Uongpitakpan, Jutarat Kitsongsermthon
The Thai Journal of Pharmaceutical Sciences
The goal of this research was to investigate the effect of electrolyte and an amphoteric surfactant on the viscosity, foamability, and foam stability of sodium laurylglucosides hydroxypropyl sulfonate (SLHS), a new anionic surfactant. Different concentrations of cocamidopropyl betaine (CAPB, 0–6% w/w) and sodium chloride (NaCl, 0–3% w/w) were added into 10% w/w SLHS solution. Each formulation was evaluated for its viscosity using a viscometer, whereas the foamability and foam stability were measured using the cylinder shaking method and analyzed by response surface methodology. The result demonstrated that an increased viscosity of the mixture resulted with an increased NaCl concentration over …
Prospective Process Validation For The Manufacture Of Ketoprofen Fast Dissolving Tablets, Mariam Omari, P. Rashmi, G.S. Shantha Kumar, Pratiksha Patil, Arijit Das
Prospective Process Validation For The Manufacture Of Ketoprofen Fast Dissolving Tablets, Mariam Omari, P. Rashmi, G.S. Shantha Kumar, Pratiksha Patil, Arijit Das
The Thai Journal of Pharmaceutical Sciences
As validation is an integral part of current good manufacturing practice, nowadays, it is practiced in all pharmaceutical industries to assure that the manufacturing process is in control and products of high quality are obtained. Building of quality needs attention in the manufacturing process, from the raw materials to finalized product. The current research work is to perform prospective process validation for the manufacture of ketoprofen fast dissolving tablets (FDT) of 50 mg dose. Various trials and challenge studies were done to finalize critical process parameters. Three consecutive batches of ketoprofen FDT with the same batch size, procedure, equipment, and …
Alpinia Galanga Extract Induces Senescence In Human Epidermal Growth Factor Receptor 2-Overexpressing Breast Cancer Cells, Riris Istighfari Jenie, Ragil Anang Santoso, Irfani Aura Salsabila, Nadzifa Nugraheni, Edy Meiyanto
Alpinia Galanga Extract Induces Senescence In Human Epidermal Growth Factor Receptor 2-Overexpressing Breast Cancer Cells, Riris Istighfari Jenie, Ragil Anang Santoso, Irfani Aura Salsabila, Nadzifa Nugraheni, Edy Meiyanto
The Thai Journal of Pharmaceutical Sciences
Background: Alpinia galanga L. (galangal) is a widely known spice in Southeast Asia. A previous study indicated that its active compounds might effectively inhibit (human epidermal growth factor receptor 2 [HER2])-overexpressing breast cancer cell proliferation. Objective: Our study aimed to investigate the antiproliferation activity of galangal extract (GE) on HER2- overexpressing breast cancer cells by analyzing GE cytotoxicity and its mechanism of action. Materials and Methods: We used HCC1954 cell line as a model. We observed the effect of GE (10–200 μg/mL) on cell growth using 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide assay. The modulation of GE on cell cycle, apoptosis, and the intracellular …
Synthesis, In Silico Analysis And Antidepressant Activity Of Pyrazoline Analogs, Natasha Naval Aggarwal, Banylla Felicity Dkhar Gatphoh, M. Vijay Kumar, Sawan Ghetia, B. C. Revanasiddappa
Synthesis, In Silico Analysis And Antidepressant Activity Of Pyrazoline Analogs, Natasha Naval Aggarwal, Banylla Felicity Dkhar Gatphoh, M. Vijay Kumar, Sawan Ghetia, B. C. Revanasiddappa
The Thai Journal of Pharmaceutical Sciences
Objective: This study is undertaken to design and synthesize new pyrazoline derivatives and to evaluate their antidepressant efficacy by in silico and in vivo studies. Materials and Methods: The title compounds pyrazoline derivatives (PY1-PY9) were yielded by the cyclization of chalcones (C1-C9) with phenylhydrazine HCl in glacial acetic acid. FT-IR, 1H-NMR, and mass spectral data established the structures of the newly synthesized compounds. In silico analysis was carried out using Schrodinger 2018-3 suite device Maestro and docked to the binding site of Human MAO-A enzyme (2Z5X). In vivo antidepressant study was performed by tail suspension method and forced swimming test. …
Quality By Design (Qbd): Principles, Underlying Concepts, And Regulatory Prospects, B.G.V.S. Jagan, P. Narasimha Murthy, Anjan Kumar Mahapatra, Ruchita Kumari Patra
Quality By Design (Qbd): Principles, Underlying Concepts, And Regulatory Prospects, B.G.V.S. Jagan, P. Narasimha Murthy, Anjan Kumar Mahapatra, Ruchita Kumari Patra
The Thai Journal of Pharmaceutical Sciences
In the past decades, with substantial growth of pharmaceutical companies and the need in enhancement of quality paradigms, adoption of systematic science based technologies was an inherent demand of regulatory agencies and one such technology is quality by design (QbD). The approved interrelated International Council on Harmonization of Technical Requirements for pharmaceuticals for Human Use guidelines, Q8 (pharmaceutical development), Q9 (quality risk management [QRM]), and Q10 (pharmaceutical quality system) drove the path in successful implementation of QbD. The primary focus of this article is made in delivering the underlying concepts that lead in framing of seven vital elements of QbD. …
Validated Ultra-Performance Chromatographic Method For Simultaneous Determination Of Andrographolide And Its Four Related Diterpenoids In Andrographis Paniculata Capsules, Jankana Burana-Osot, Panadda Phattanawasin, Uthai Sotanaphun, Chanokporn Sukonpan, Lawan Sriphong, Anchalee Kumsum
Validated Ultra-Performance Chromatographic Method For Simultaneous Determination Of Andrographolide And Its Four Related Diterpenoids In Andrographis Paniculata Capsules, Jankana Burana-Osot, Panadda Phattanawasin, Uthai Sotanaphun, Chanokporn Sukonpan, Lawan Sriphong, Anchalee Kumsum
The Thai Journal of Pharmaceutical Sciences
Introduction: Andrographis paniculata contained many pharmacologically active diterpenoids. Objectives: A simple and rapid isocratic reverse phase chromatographic method was developed using UPLC for simultaneous determination of 5 diterpenoids; andrographolide, deoxyandrographiside, neoandrographolide, 14-deoxyandrographolide and 14-deoxy-11,12-didehydroandrographolide in A. paniculata capsules. Materials and Methods: The chromatographic separation was achieved on a Waters Acquity BEH C18, 50 × 2.1 mm, 1.7 μm column using mobile phase consisting of acetonitrile and water in a ratio of 25:75 (v/v). The flow rate was 0.4 ml/min with a runtime of 12 min. The method was validated according to the regulatory guidelines with respect to specificity, linearity, precision, …
Synthesis And Evaluation Of Poly(Ethylene Glycol) Diacrylate-Modified Chitosan As A Mucoadhesive Polymer, Kwanputtha Arunprasert, Chaiyakarn Pornpitchanarong, Nitjawan Sahatsapan, Praneet Opanasopit, Prasopchai Patrojanasophon
Synthesis And Evaluation Of Poly(Ethylene Glycol) Diacrylate-Modified Chitosan As A Mucoadhesive Polymer, Kwanputtha Arunprasert, Chaiyakarn Pornpitchanarong, Nitjawan Sahatsapan, Praneet Opanasopit, Prasopchai Patrojanasophon
The Thai Journal of Pharmaceutical Sciences
This study aimed to synthesize a poly(ethylene glycol) diacrylate-modified chitosan (CS-PEGDA) as a mucoadhesive polymer for transmucosal drug delivery. Chitosan-cysteine (Cys-CS) was synthesized by coupling chemistry. Cys-CS was then employed for the synthesis of CS-PEGDA through a thiol-ene click reaction between the thiol groups of Cys-CS and alkene groups of PEGDA using triethanolamine as an activator. The obtained structure of the synthesized polymer was proved using Fourier transform infrared (FT-IR) spectroscopy and nuclear magnetic resonance (NMR) spectroscopy. The mucoadhesive capability of the synthesized polymer was examined by an ex vivo mucoadhesion test using a texture analyzer. The toxicity of synthesized …
Evaluation Of Volatile Constituents Of Fresh And Dried Herbals In Thai Traditional Compress Ball By Headspace Gas Chromatography–Mass Spectrometry Technique, Prasan Tangyuenyongwatana, Napapan Pongpoungphet, Wandee Gritsanapan
Evaluation Of Volatile Constituents Of Fresh And Dried Herbals In Thai Traditional Compress Ball By Headspace Gas Chromatography–Mass Spectrometry Technique, Prasan Tangyuenyongwatana, Napapan Pongpoungphet, Wandee Gritsanapan
The Thai Journal of Pharmaceutical Sciences
Introduction: There are two types of herbal compress balls, fresh and dried, which are normally used in combination with Thai traditional massage for relieving inflammation and pain. There is no comparing information about chemical compositions of these herbal compress balls. Objective: This research focused on analysis of chemical composition of two types of herbal compress balls using headspace (HS) gas chromatography–mass spectrometry (GC–MS) system at a temperature of 80°C. Methods: Each herbal compress sample, Cryptolepis dubia, Cymbopogon citratus, Tamarindus indica, Curcuma longa, Zingiber montanum, and Citrus hystrix, was placed in a HS vial at 80°C for 20 min, agitated at …
The Study Of Volatile Fractions Of Cabbage Leaves (Brassica Oleracea L. Convar. Capitata (L.) Alef. Var. Alba Dc.) And Determination Of Its Antibacterial And Antifungal Activity, Viktoriia Protska, Andriy Fedosov, Nadiia Burda, Oleksandr Dobrovolnyi, Moeen F. Dababneh, Marina Kuznetsova, Iryna Zhuravel, Liana Budanova
The Study Of Volatile Fractions Of Cabbage Leaves (Brassica Oleracea L. Convar. Capitata (L.) Alef. Var. Alba Dc.) And Determination Of Its Antibacterial And Antifungal Activity, Viktoriia Protska, Andriy Fedosov, Nadiia Burda, Oleksandr Dobrovolnyi, Moeen F. Dababneh, Marina Kuznetsova, Iryna Zhuravel, Liana Budanova
The Thai Journal of Pharmaceutical Sciences
Background: Along with a widespread application of cabbage as a food and fodder crop, it also possesses therapeutic properties. In traditional medicine, this plant is used in gastritis and gastric ulcer, colitis, diabetes, inflammations of upper airways, musculoskeletal system, disorders of cardiovascular system, and skin. Materials and Method: Using the method of gas chromatography, the component composition of cabbage leaves of Yaroslavna and Bilosnizhka cultivars was studied. Testing control strains of microorganisms were used for the determination of the antimicrobial activity of chloroform, ethyl acetate, and 96% ethanol extracts from cabbage cultivars leaves. Result: The general amount of volatile compounds …
Phytochemistry And Dna˗Based Authentication Of Medicinal Lasianthus Stipularis Blume (Rubiaceae) Species Against Human Pathogenic Bacteria, Tiwtawat Napiroon, Sutee Duangjai, Srunya Vajrodaya, Markus Bacher, Henrik Balslev, Wichai Santimaleeworagun
Phytochemistry And Dna˗Based Authentication Of Medicinal Lasianthus Stipularis Blume (Rubiaceae) Species Against Human Pathogenic Bacteria, Tiwtawat Napiroon, Sutee Duangjai, Srunya Vajrodaya, Markus Bacher, Henrik Balslev, Wichai Santimaleeworagun
The Thai Journal of Pharmaceutical Sciences
Lasianthus stipularis Blume is a medicinal plant found in the tropical rainforests of peninsular Thailand and Malaysia. Its leaves are used in traditional medicine to treat a condition called “noise in the head” (i.e., ear infections). As such infections are often caused by Gram-negative bacteria; this species of Lasianthus may have antibacterial effects. In this study, we examined the non-polar fractions from the leaves and stem bark of L. stipularis using thin-layer chromatography and high-performance liquid chromatography (HPLC). The non-polar fractions exhibited a high coumarin content, while stem bark extracts showed a high concentration of 7-hydroxy-6-methoxycoumarin when isolated by column …
Cost–Benefit Analysis Of Psychiatric Pharmaceutical Care With Shared Decision-Making Intervention In Complicated Schizophrenic Patients, Charkkrit Hongthong, Nusaraporn Kessomboon
Cost–Benefit Analysis Of Psychiatric Pharmaceutical Care With Shared Decision-Making Intervention In Complicated Schizophrenic Patients, Charkkrit Hongthong, Nusaraporn Kessomboon
The Thai Journal of Pharmaceutical Sciences
Objective: This study aims to evaluate the net benefits of psychiatric pharmaceutical care with shared decision-making (PCC-SDM) intervention in complicated schizophrenic patients for resolving drug-related problems (DRPs). Methods: Eligible inpatients for 3 months. Data were collected using an Integrated Hospital Medication Management with SDM (IHoMe-SDM) following PCC-SDM six steps: (1) data collection, (2) choice and option talk, (3) decision talk, (4) pharmaceutical care plan, (5) patients education, and (6) monitoring. Cost analysis was conducted by activity based costing. Economic evaluation was calculated as cost saving, cost avoidance, and net benefits with the view of health-care provider and reported in USD …
Effect Of Co2 Laser Irradiation On Eudragit® L100-55, L100, And S100 Coatings To Modify Drug Release, Varin Titapiwatanakun, Wanjing Li, Simon Gaisford, Abdul W. Basit
Effect Of Co2 Laser Irradiation On Eudragit® L100-55, L100, And S100 Coatings To Modify Drug Release, Varin Titapiwatanakun, Wanjing Li, Simon Gaisford, Abdul W. Basit
The Thai Journal of Pharmaceutical Sciences
The aim of this work was to investigate the use of carbon dioxide (CO2) laser irradiation to modify three types of pH-dependent Eudragit® (L100-55, L100, and S100) enteric coats with the aim of modulating drug release kinetics from the tablet cores. CO2 laser irradiation causes rapid melting and resolidification/vaporization of materials locally and precisely through the absorption of infrared energy and so can potentially disrupt the barrier integrity and function of enteric coats. It was successfully utilized to shorten the lag time of drug release (T50% and T80%) during dissolution testing. These changes were mainly caused either by pore formation …
Determination Of Antioxidant Property Of Commercially Selling Borneo Plants By 2,2′-Azino-Di-(3-Ethylbenzthiazoline- 6-Sulfonic Acid) Free Radical Scavenging Assay, Sheba R. David, Nora Syahirah Sawal, Rajan Rajabalaya
Determination Of Antioxidant Property Of Commercially Selling Borneo Plants By 2,2′-Azino-Di-(3-Ethylbenzthiazoline- 6-Sulfonic Acid) Free Radical Scavenging Assay, Sheba R. David, Nora Syahirah Sawal, Rajan Rajabalaya
The Thai Journal of Pharmaceutical Sciences
Background: Antioxidants from natural products are important to counter the effect of reactive oxygen species occur in chronic diseases and metabolic disorders. Objective: This study evaluated the antioxidant activities of the leaf extracts from three plants found in Brunei: Melastoma malabathricum (MM), Scurrula ferruginea (SF), and Clinacanthus nutans (CN). Methods: The plant leaves were collected from in Brunei Darussalam air-dried and pulverized into powder. The extracts obtained from Soxhlet, fractionation, and maceration were freeze-dried and the total antioxidant status was evaluated using 2,2′-azino-di-(3-ethylbenzthiazoline-6-sulfonic acid) scavenging radical activities in vitro assay. Both MM and SF extracts exhibited promising antioxidant capabilities. Results: …
Short-Term Antenatal Corticosteroid Increases Risk Of Respiratory Morbidity In Late Preterm Infants, Nithipun Suksumek, Pithi Chanvorachote, Amuchou Soraisham, Abhay Lodha, Albert Akierman, Carlos Fajardo
Short-Term Antenatal Corticosteroid Increases Risk Of Respiratory Morbidity In Late Preterm Infants, Nithipun Suksumek, Pithi Chanvorachote, Amuchou Soraisham, Abhay Lodha, Albert Akierman, Carlos Fajardo
The Thai Journal of Pharmaceutical Sciences
Background/Aim: Although antenatal corticosteroid (ANCS) is beneficial for preventing respiratory distress in preterm infants, the effect of ANCS on late preterm infants (LPI) is still unknown. This study aimed at investigating the effect of ANCS on respiratory morbidity of LPI. Materials and Methods: In matched cohort study, LPI of mothers who received ANCS (ANCS group) at 24–34 weeks of GA were matched with LPI of no ANCS (non-ANCS group) by gestational age and birth weight. Results: During 2 years, the ANCS group was 10.6% (191/1,810) in LPI and only 177 neonates met the criteria for inclusion and were ANCS group. …
An Updated Review: The Year 2020 And Coronavirus Disease-19 Pandemic, Kanwal Ashiq, Mayyda Asif Bajwa, Sana Ashiq, Mehwish Qayyum, Rabia Khokhar, Samreen Tanveer
An Updated Review: The Year 2020 And Coronavirus Disease-19 Pandemic, Kanwal Ashiq, Mayyda Asif Bajwa, Sana Ashiq, Mehwish Qayyum, Rabia Khokhar, Samreen Tanveer
The Thai Journal of Pharmaceutical Sciences
The recent scenario with an outbreak of novel coronavirus has led to dramatic upsurge in mortality and morbidity rates all around the globe. The objective of consolidated article is to provide an updated insight on coronavirus disease (COVID-19) based on the current literature, and it is anticipated that it may serve as a perspective reference in future studies. Scopus, Science Direct, MEDLINE, PubMed, and Google Scholar databases were used to search the literature. For the current review, both research and review articles issued in the English language were considered. The mode of Corona virus disease transmission is through direct contact …
Group-Based Quantitative Structure And Activity Relationship On Benzothiazole Derivatives For Development Of Potent Anti-Cancer Compounds, Amit S. Tapkir, Sohan S. Chitlange, Ritesh P. Bhole
Group-Based Quantitative Structure And Activity Relationship On Benzothiazole Derivatives For Development Of Potent Anti-Cancer Compounds, Amit S. Tapkir, Sohan S. Chitlange, Ritesh P. Bhole
The Thai Journal of Pharmaceutical Sciences
To develop potent anticancer compounds using benzothiazole scaffolds group-based quantitative structure and activity relationship (GQSAR) analysis was performed on 41 reported benzothiazole derivatives for identification of structural fragments. Benzothiazole dataset was fragmented into two fragments (R1 and R2). GQSAR models were generated using multiple linear regression. GQSAR analysis revealed the presence of hydrophobic groups on R1 will potentiate anticancer activity. The generated models are giving insight into the benzothiazole structural requirements which will be optimized for design of anticancer drugs.
Synthesis Of (2-Hydroxyl-3-Butoxyl) Propyl-Succinyl-Chitosan – An Amino Sugar Anionic Surfactant Under Microwave Irradiation And Its Application, P. S. Singh, Suraj N. Mali, N. R. Sangale, Amit P. Pratap
Synthesis Of (2-Hydroxyl-3-Butoxyl) Propyl-Succinyl-Chitosan – An Amino Sugar Anionic Surfactant Under Microwave Irradiation And Its Application, P. S. Singh, Suraj N. Mali, N. R. Sangale, Amit P. Pratap
The Thai Journal of Pharmaceutical Sciences
Introduction: Chitosan, a biopolymer with 97% degree of deacetylation, was used herein, to synthesize an amino sugar anionic surfactant of varied alkyl chain length, using a microwave-assisted synthesis. We were also examined their properties in aqueous form. Objectives: The objectives of the study were to increase the surface activity and water solubility of chitosan derivatives. Materials and Methods: Structural features and crystallinity were confirmed using Fourier transform infrared, ¹H-nuclear magnetic resonance, and X-ray diffraction. The chitosan by itself was found to have weak surface-active properties since it has no hydrophobic segment. Results: The microwave-assisted synthesized sugar amino-based anionic surfactant, synthesis …
Anti-Inflammatory Activity Of New 1,3,4-Oxadiazole Derivatives, Banylla Felicity Dkhar Gatphoh, Natasha Naval Aggarwal, Hemanth Kumar, B. C. Revanasiddappa
Anti-Inflammatory Activity Of New 1,3,4-Oxadiazole Derivatives, Banylla Felicity Dkhar Gatphoh, Natasha Naval Aggarwal, Hemanth Kumar, B. C. Revanasiddappa
The Thai Journal of Pharmaceutical Sciences
A new series of 1,3,4-oxadiazole derivatives (3a-j) were synthesized by reacting p-toluic benzhydrazide (1) and substituted aromatic aldehydes (2) in the presence of ceric ammonium nitrate as catalyst and dichloromethane as a solvent medium. The structures of the new compounds were assigned based on IR, 1H-NMR, and mass spectral data and further evaluated for their in vitro anti-inflammatory potential using various protein denaturation methods following bovine serum and egg albumin assay. Some tested compounds 3e, 3f, and 3i displayed moderate anti-inflammatory activity compared to the standard diclofenac sodium.
Evaluation Of Modified Pennisetum Glaucum Starch As A Suspending Agent In Metronidazole Benzoate Suspension, Nkemakolam Nwachukwu, Kenneth Chinedu Ugoeze, Dorathy Rokalke Igoni
Evaluation Of Modified Pennisetum Glaucum Starch As A Suspending Agent In Metronidazole Benzoate Suspension, Nkemakolam Nwachukwu, Kenneth Chinedu Ugoeze, Dorathy Rokalke Igoni
The Thai Journal of Pharmaceutical Sciences
The properties of modified starch derived from Pennisetum glaucum (PT) seed as a suspending agent in metronidazole benzoate suspension was evaluated. Matured PT seeds were steeped for 72h, wet milled and the slurry washed with water through a muslin cloth to obtain native PT starch (NPS) which was dried at 60°C. NPS slurry was heated (70°C), cooled (40°C), and submerged in 3.5%w/v sodium hypochlorite for 10 min, washed with 95%v/v alcohol till neutral to litmus. The modified starch (MPS) was dried (50°C), classified (180μm). NPS and MPS were characterized using standard methods. Metronidazole benzoate (MTBZ) suspensions were formulated using 2.5%w/v, …
Evaluation Of Psychometric Properties Of The Thai Sf-12v2 In The General Thai Population, Krittaphas Kangwanrattanakul
Evaluation Of Psychometric Properties Of The Thai Sf-12v2 In The General Thai Population, Krittaphas Kangwanrattanakul
The Thai Journal of Pharmaceutical Sciences
Background: This study investigated the psychometric properties of the Thai Short Form-12 Health Survey (SF-12v2) and reported SF-12v2 scale scores based on the general Thai population’s age and gender. Methods: Multistage sampling was used to recruit 1200 general Thai participants. For all SF-12v2 scales, item description, ceiling/floor effects, convergent validity for item-scale and SF-12v2 and EQ-5D correlations, known-group validity, exploratory factor analysis (EFA), test-retest reliability, and responsiveness were studied. Results: Ceiling effect was observed for all scales (5.8–72.6%). Floor effect was detected for all scales except for social functioning, role emotion, and mental health. Item-scale correlation coefficients ranged from 0.65 …
Effect Ethyl Acetate Extract Oflasiodiplodia Pseudotheobromae Industrial Biotechnology Research Laboratory Os-64 On Growth And Cell Morphology Of A Foodborne Bacterium,Bacillus Cereus, Mohd Taufiq Mat Jalil, Darah Ibrahim
Effect Ethyl Acetate Extract Oflasiodiplodia Pseudotheobromae Industrial Biotechnology Research Laboratory Os-64 On Growth And Cell Morphology Of A Foodborne Bacterium,Bacillus Cereus, Mohd Taufiq Mat Jalil, Darah Ibrahim
The Thai Journal of Pharmaceutical Sciences
Background: A foodborne bacterium, Bacillus cereus is one of the common food contaminants that could cause food poising with several sickness symptoms to humans. Objective: This study was undertaken to evaluate the effect of ethyl acetate extract of endophytic fungus, Lasiodiplodia pseudotheobromae Industrial Biotechnology Research Laboratory (IBRL) OS-64 towards a test bacterium, B. cereus with emphasis on bacterial growth reduction and cell morphological changes. Materials and Methods: The ethyl acetate (fermentative broth) and methanolic (fungal biomass) extracts were screened for their antibacterial activity against test bacteria via agar disc diffusion assay. Results: The results demonstrated that there is a significant …
Inhibitory Effects Of Manosa Alliacea In Freund’S Adjuvant Arthritis On Inflammatory Markers And Its Confirmation By In-Silico Strategy, D. S.N.B.K. Prasanth, Sk. Aminabee, A. Lakshmana Rao, Chakravarthi Guntupalli, Alavala Rajasekhar Reddy, Umasankar Kulandaivelu, S. N. Koteswara, P. Rajeshwari
Inhibitory Effects Of Manosa Alliacea In Freund’S Adjuvant Arthritis On Inflammatory Markers And Its Confirmation By In-Silico Strategy, D. S.N.B.K. Prasanth, Sk. Aminabee, A. Lakshmana Rao, Chakravarthi Guntupalli, Alavala Rajasekhar Reddy, Umasankar Kulandaivelu, S. N. Koteswara, P. Rajeshwari
The Thai Journal of Pharmaceutical Sciences
For the assessment of the curative effect of Manosa alliacea on Freud’s adjuvant (FA) arthritis on Swiss albino rats. Methanol extract from M. alliacea (MEMA) was administered orally at 200 mg/kg and 400 mg/kg, 28 days after FA immunization. For control and treatment groups, paw volume, body weight, hematological parameters, X-ray, and histological tests were measured. In addition, reverse transcription-polymerase chain reaction (RT-PCR) was used to measure the levels of various inflammatory markers. In vitro, DPPH and H2O2 tests were used to evaluate the antioxidant capability. MEMA decreased paw volume and paw thickness, bodyweight considerably (P < 0.05, 0.01, 0.001), compared to hematological anomalies of arthritis control. X- rays tests and histological tests did not reveal significant structural changes in the rat ankle joints administered with MEMA. The levels of expression tumor necrosis factor - α, NF-Kβ, IL-1β, and COX-2 were significantly suppressed in the treatment groups. The in-silico study has shown that a number of chemical components in the plants under study can effectively bind to various inflammatory targets. That is why we say M. alliacea is a good source for treating rheumatoid arthritis.
Assessment Of The Phytoconstituents And Optimal Applicable Concentration Of Aqueous Extract Of Azadirachta Indica Leaves For Wound Healing In Male Wistar Rats, Kenneth Chinedu Ugoeze, Princewill Chukwuebuka Aja, Nkemakolam Nwachukwu, Bruno Chukwuemeka Chinko, Jude Nnabuife Egwurugwu
Assessment Of The Phytoconstituents And Optimal Applicable Concentration Of Aqueous Extract Of Azadirachta Indica Leaves For Wound Healing In Male Wistar Rats, Kenneth Chinedu Ugoeze, Princewill Chukwuebuka Aja, Nkemakolam Nwachukwu, Bruno Chukwuemeka Chinko, Jude Nnabuife Egwurugwu
The Thai Journal of Pharmaceutical Sciences
Background/Aim: Plant-based medicinal agents containing phytoconstituents like extracts of Azadirachta indica leaves has been reported to heal wounds. This study evaluated the phytoconstituents and determined the optimal concentration of the aqueous extract of Azadirachta indica leaves (AEAIL) affecting wound healing in male Wistar rats. Materials and Methods: AEAIL was evaluated for phytoconstituents using GC-FID. Wounds (diameter ≈1.5cm) was excised on the dorsum of 35 rats (7 groups, n = 5). Groups 1- 6 were treated topically with 0.5, 1.5, 3.0, 5.0, 10.0 and 20.0% w/v of AEAIL respectively. Group 7 was treated with distilled water as the control. Wound contractions …
Cost-Effectiveness Analysis Of Manidipine Versus Amlodipine As An Add-On To Renin-Angiotensin System Blockers In Hypertensive Patients With Diabetes Mellitus And Proteinuria, Kamolpat Chaiyakittisopon, Wiwat Thavornwattanayong, Jadesada Lertsirimunkong, Supitchaya Senbut
Cost-Effectiveness Analysis Of Manidipine Versus Amlodipine As An Add-On To Renin-Angiotensin System Blockers In Hypertensive Patients With Diabetes Mellitus And Proteinuria, Kamolpat Chaiyakittisopon, Wiwat Thavornwattanayong, Jadesada Lertsirimunkong, Supitchaya Senbut
The Thai Journal of Pharmaceutical Sciences
Objectives: Diabetes and hypertension are the most common causes of chronic kidney disease. Calcium channel blockers are beneficial in blood pressure reduction while also stall kidney degeneration. The aim of this study was to compare the cost-effectiveness of manidipine to amlodipine as an add-on to renin-angiotensin system blockers (RASBs) to slow down kidney degeneration in hypertensive patients with diabetes mellitus and proteinuria. Methods: A lifetime Markov decision model was used to evaluate total costs and quality-adjusted life-years (QALYs) from published data on clinical outcomes and Thai data on cost and humanistic outcomes. This study adopted a societal perspective. Results: The …
The Study Of Physical Properties And Formulation Of Self-Assembling Nanogel From Grafted Hydrophilic Polymer Backbone As Stabilization System For Curcumin, Penpimon Charoenkanburkang, Tisana Kaewruethai, Pornchai Rojsitthisak, Jittima Amie Luckanagul
The Study Of Physical Properties And Formulation Of Self-Assembling Nanogel From Grafted Hydrophilic Polymer Backbone As Stabilization System For Curcumin, Penpimon Charoenkanburkang, Tisana Kaewruethai, Pornchai Rojsitthisak, Jittima Amie Luckanagul
The Thai Journal of Pharmaceutical Sciences
Introduction: The aim of this work is to formulate and study the thermoresponsive system with hyaluronic acid (HA) as a polysaccharide backbone grafted with poly-(N-isopropylacrylamide) (pNIPAM) for stabilization of highly sensitive molecule. Methods: The nanogel forming polymer was synthesized through EDC/NHS coupling reaction. The HA grafted pNIPAM (HA-g-pNIPAM) can be self-assembled to form gel particle. The synthesized HA-g-pNIPAM polymers were characterized by 1H NMR. Size, influence of media to forming nanogel, thermoresponsive behavior and influence of HA-g-pNIPAM nanogel network on curcumin loading capacity and stability were investigated by dynamic light scattering (DLS) and UV-VIS spectrophotometry. Result and Discussion: The results …